7888810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 14805504

約数和(自身を除く): 6916694

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 271, 355, 410, 542, 710, 1355, 2710, 2911, 5822, 11111, 14555, 19241, 22222, 29110, 38482, 55555, 96205, 111110, 192410, 788881, 1577762, 3944405, 7888810]

約数ペア:

[(1, 7888810), (2, 3944405), (5, 1577762), (10, 788881), (41, 192410), (71, 111110), (82, 96205), (142, 55555), (205, 38482), (271, 29110), (355, 22222), (410, 19241), (542, 14555), (710, 11111), (1355, 5822), (2710, 2911)]